<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      <button v-show="index > 0" @click="prev">上一页</button>
      <div>
        <img v-bind:src="list[index]" alt="" />
      </div>
      <button v-show="index < list.length-1" @click="next">下一页</button>
    </div>
    <script src="./vue.js"></script>
    <script>
      const app = new Vue({
        el: "#app",
        data: {
          index: 0,
          list: [
            "./imgs/11-00.gif",
            "./imgs/11-01.gif",
            "./imgs/11-02.gif",
            "./imgs/11-03.gif",
            "./imgs/11-04.png",
            "./imgs/11-05.png",
          ],         
        },
        methods: {
          prev() {
            if (this.index > 0) this.index--;
          },
          next() {
            if (this.index < this.list.length - 1) this.index++;
          },
        },
      });
    </script>
  </body>
</html>
